Flat Roof Skylight 500 x 3000 mm Original price was: £ 869,00.Current price is: £ 799,00. incl. VAT
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Pitched Roof Skylight 400 x 2000 mm Original price was: £ 526,00.Current price is: £ 486,00. incl. VAT

Pitched Roof Skylight 400 x 1500 mm

Original price was: £ 461,00.Current price is: £ 421,00. incl. VAT

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Regal Glass Group: A trusted manufacturer of premium roof windows

Type: Fixed Frameless Pitched Roof Skylight
Internal Size: 400 x 1500 mm
External Size: 600 x 1700 mm
Glazing Type: Triple Glazed
Net Weight: 34kg
U Value: 0.9 W/m²K
G Value: 58%
Light transmittance : τv [%] 72
Sound reduction (EN 12758): 39dB
UV transmission : τuv [%] 0

Experience the excellence of Regal Glass Group’s roof windows, featuring these impressive technical characteristics.

Original price was: £ 713,00.Current price is: £ 613,00. incl. VAT
£ 154,00 incl. VAT
£ 154,00 incl. VAT
£ 24,00 incl. VAT
£ 15,00 incl. VAT
£ 115,00 incl. VAT
£ 115,00 incl. VAT
£ 30,00 incl. VAT

Payment Methods:

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Secure Payment

Shop safely with our secure online checkout.

Easy Returns

Hassle-free returns within 30 days.

10 Year Warranty

Enjoy peace of mind with our extensive warranty.

Frameless Skylights Glass Performance

Experience the perfect blend of natural light, energy efficiency, noise reduction, and UV protection with our precision-engineered glass.

Modern Design
Solar energy transmittance (G value): g [%] 65
UV transmission : 0 τuv [%]
Light transmittance: τv [%] 72
Thermal transmittance (U value): : 0.9 [W/(m².K)]
Min 3.0 [W/(m².K)] / Max 0.1 [W/(m².K)] 70%
Shading coefficient: 0.66 SC
( Maximum SC 1.00 / Maximum SC 0.20 ) 42%
Sound Reduction: 39 dB (-2;-7)
( Maximum 40dB / Minimum 30dB ) 90%

Easy to replicate
Installation Guide

Dive into our user-friendly Installation Guide for a smooth skylight setup. Get the clarity you need, step-by-step.

Click below to explore the full guide.

Introducing the Pitched Roof Skylight 400 x 1500 mm from Regal Glass Group, a beacon of modern architectural design and functionality. With over twenty years of experience crafting the finest skylights, we’ve merged form with function to create a skylight that not only illuminates your home with natural light but also serves as a stunning minimalist statement.

Our commitment to excellence is evident in every Pitched Roof Skylight we produce. Manufactured in-house, each skylight is a testament to our dedication to high-quality materials and craftsmanship. The frameless, minimalist design is the centerpiece of this product, offering an unobstructed view of the sky while seamlessly blending with the architecture of your pitched roof. This design not only enriches the aesthetic of your home but also maximizes the infusion of natural light, enhancing the ambiance and vitality of your living spaces.

The Pitched Roof Skylight 400 x 1500 mm is engineered for superior performance, featuring advanced triple-glazed units with a 15-millimeter warm Edge spacer filled with Argon gas. This cutting-edge configuration achieves a remarkable U-value of 0.9 W/m²K, ensuring your home remains a comfortable haven with optimal thermal efficiency, reducing energy costs throughout the year.

Equipped with UV protection, our skylight windows safeguard your interiors against the sun’s harmful rays, while the safety toughened glass provides durability and peace of mind. The sunlight-activated self-cleaning feature ensures that your skylight remains pristine and clear, eliminating the need for frequent maintenance and allowing you to enjoy uninterrupted views of the sky.

Designed with the homeowner’s comfort in mind, our skylights offer enhanced privacy and sound reduction, ensuring a tranquil indoor environment. Our commitment to sustainability is reflected in our eco-friendly packaging, catering to the environmentally conscious homeowner.

The Pitched Roof Skylight 400 x 1500 mm is designed for easy installation, suitable for roof pitches ranging from 6 to 45 degrees. With a wide array of standard sizes available, we are prepared to meet a variety of architectural needs. For those seeking a tailored solution, our custom skylight service allows you to create a skylight that perfectly aligns with your specific design preferences.

Backed by a 20-year warranty, our skylights are built to last, giving you confidence in their durability and performance. Compliant with British Standards & Building Regulations and CE marked, our skylights meet the highest standards for products sold within Europe.

Embrace the elegance of minimalism and the luxury of natural light with the Pitched Roof Skylight 400 x 1500 mm from Regal Glass Group. Transform your home into a luminous sanctuary that blends modern design with the timeless beauty of the sky.


108 kg


55 × 10 × 55 cm


Regal Glass



Internal Size

400 x 1500 mm

External Size

600 x 1700 mm

Glazing Type

Triple glazed

Glass Tint

Clear Tint



Roof Type

Pitched Roof

Skylight Type


Top Glass Pane:

6 mm Planibel Clearlite / Thermally toughened

Air Gap

16 mm Argon 90%

Middle Glass Pane:

4 mm Planibel Clearlite Thermally toughened

Air Gap

16 mm Argon 90%

Bottom Glass Pane:

Stratobel Clearlite 44.2 with iplus 1.1 pos.5

Spacer Type

15mm Black Warm Edge

U value

0.9 [W/(m².K)]

Sound reduction - EN 12758

[dB] 39 (-2;-7)

Light transmittance: tv [%]


External light refection : ρv [%]


Internal light refection : ρvi [%]


Colour rendering index : Ra [%]


Solar energy transmittance : g [%]


Shading coefcient : SC




UV transmission : τuv [%]


Customer Reviews

1 review

1 review for Pitched Roof Skylight 400 x 1500 mm

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  1. Mitchell Jenkins

    As a contractor, I appreciate the quick and easy installation of Regal Glass skylights. It helps keep projects on schedule and clients happy.

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